Here is a selection of the best smartphone games Idle game available on Play Store (Android) and App Store (iOS)

Platform :
Cats & Soup on Android Google Play StoreCats & Soup on iOS Apple iPhone iPad
Cats & Soup
Cats & Soup
A zen and relaxing simulation game with cats and soups...
My Perfect Hotel on Android Google Play StoreMy Perfect Hotel on iOS Apple iPhone iPad
My Perfect Hotel
My Perfect Hotel
My Perfect Hotel is a hotel simulation game of the Idle game type.
Bridge Race  on Android Google Play StoreBridge Race  on iOS Apple iPhone iPad
Bridge Race
Bridge Race
Collect the bricks to be the first to reach the top of the stairs!
Frozen City on Android Google Play StoreFrozen City on iOS Apple iPhone iPad
Frozen City
Frozen City
Frozen City postapocalyptic management game
Penguin Isle on Android Google Play StorePenguin Isle on iOS Apple iPhone iPad
Penguin Isle
Penguin Isle
Idle simulation game: develop your penguin island in a zen atmosphere
Dreamdale on Android Google Play StoreDreamdale on iOS Apple iPhone iPad
Dreamdale
Dreamdale
Blend of idle simulation game, management, and RPG in a fairy-tale universe.
Hooked Inc: Fishing Games on Android Google Play StoreHooked Inc: Fishing Games on iOS Apple iPhone iPad
Hooked Inc: Fishing Games
Hooked Inc: Fishing Games
Hooked Inc: Fishing Games is a free idle fishing simulation game.
Idle Miner Tycoon: Money Games on Android Google Play StoreIdle Miner Tycoon: Money Games on iOS Apple iPhone iPad
Idle Miner Tycoon: Money Games
Idle Miner Tycoon: Money Games
Idle Miner is an incremental mine management game
Legend of Slime: Idle RPG on Android Google Play StoreLegend of Slime: Idle RPG on iOS Apple iPhone iPad
Legend of Slime: Idle RPG
Legend of Slime: Idle RPG
Triumph of the humans in this idle game!
Fashion Universe  on Android Google Play StoreFashion Universe  on iOS Apple iPhone iPad
Fashion Universe
Fashion Universe
Idle simulation game in a clothing store.
Adventure Capitalist! on Android Google Play StoreAdventure Capitalist! on iOS Apple iPhone iPad
Adventure Capitalist!
Adventure Capitalist!
AdVenture Capitalist is an idle game simulation of capitalism on smartphone.
Monopoly Tycoon  on Android Google Play StoreMonopoly Tycoon  on iOS Apple iPhone iPad
Monopoly Tycoon
Monopoly Tycoon
The Monopoly board game application in idle game version.
Overcrowded: Tycoon on Android Google Play StoreOvercrowded: Tycoon on iOS Apple iPhone iPad
Overcrowded: Tycoon
Overcrowded: Tycoon
Overcrowded is an Idle game of amusement park management and simulation.
Tycoon Milliardaire Auto on Android Google Play StoreTycoon Milliardaire Auto on iOS Apple iPhone iPad
Tycoon Milliardaire Auto
Tycoon Milliardaire Auto
Become the richest man in the world in this simulation game!
Godus on Android Google Play StoreGodus on iOS Apple iPhone iPad
Godus
Godus
Godus is a simulation and construction game on smartphone.
Technopoly – Industrial Empire on Android Google Play StoreTechnopoly – Industrial Empire on iOS Apple iPhone iPad
Technopoly – Industrial Empire
Technopoly – Industrial Empire
Idle game of ecological and industrial resource management.
Cat condo on iOS Apple iPhone iPad
Cat condo
Cat condo
Grow your cat tree, merge cats and discover new species
Idle Train Empire - Idle Games on Android Google Play StoreIdle Train Empire - Idle Games on iOS Apple iPhone iPad
Idle Train Empire - Idle Games
Idle Train Empire - Idle Games
Build your railroad empire
Join Lumberjack: cut, create on iOS Apple iPhone iPad
Join Lumberjack: cut, create
Join Lumberjack: cut, create
Cut wood and craft in this idle game!
Shop Heroes Legends: Idle RPG
Shop Heroes Legends: Idle RPG
Idle knight store management game.

Find other apps that might interest you on the subject Management simulation strategy games